NPIMap

Individual provider Active NPI

William George Brelsford, MD, FACP, FACR

  • Rheumatology Physician
  • Amarillo, TX
National Provider Identifier
1770586703
Registry record updated Dec 20, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
G1283 Issued in TX
Practice address
6842 Plum Creek Dr
Amarillo, TX 79124-1601
Phone
(806) 353-7000
NPI assigned
May 23, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 20, 2024

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X G1283 TX Primary

Addresses

Primary practice location

6842 Plum Creek Dr
Amarillo, TX 79124-1601

Mailing address

PO Box 51389
Amarillo, TX 79159-1389
Phone (806) 435-7000

Other practice location 1

1212 Clinic Dr
Tyler, TX 75701-2117
Phone (903) 596-8858 ext. 109

Other identifiers 2

IdentifierTypeStateIssuer
8A7490OtherTXBCBS
042884901MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, WI, AZ3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20110125000274 TX Practitioner - Rheumatology 5092793026 Reassigns benefits to 1 organization
I20260102000580 WI Practitioner - RheumatologyPractitioner - Internal Medicine 5092793026 Reassigns benefits to 1 organization
I20260601001925 AZ Practitioner - Rheumatology 5092793026 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
University of Texas Medical Branch at Galveston, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aspirus Wausau Hospital IncGroup PAC ID 6406757442, 242 clinicians
Kingman Healthcare IncGroup PAC ID 6901791367, 185 clinicians
Allergy Arts LLPGroup PAC ID 5698744316, 6 clinicians

Practice addresses (Care Compare)

2720 Plaza Dr
Wausau, WI 54401-4158

333 Pine Ridge Blvd
Wausau, WI 54401-4120
Phone (715) 847-2121

3801 Santa Rosa Dr
Suite 301
Kingman, AZ 86401-2311
Phone (928) 681-8730

6842 Plum Creek Dr
Amarillo, TX 79124-1601
Phone (806) 353-7000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G1283TXMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Wausau Hospital, Inc. CurrentSince Dec 1, 2025 Accepting new patients
Allergy Arts LLP Rheumatology CurrentSince Dec 10, 2024 Accepting new patients
Aspirus Wausau Hospital, Inc. CurrentSince Dec 1, 2025 Accepting new patients
Aspirus Medical Group, Inc. Past Accepting new patients
Ammar Jarrous MD PA PastSince Dec 10, 2024 Accepting new patients

Locations

29980 Network Pl
Chicago, IL 60673

6842 Plum Creek Dr
Amarillo, TX 79124
Phone (806) 353-7000

2720 Plaza Dr
Ste 1400A
Wausau, WI 54401
Phone (715) 847-0426

333 Pine Ridge Blvd
Wausau, WI 54401
Phone (715) 847-2160

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 11

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1116806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1734652800000",
    "number": "1770586703",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 51389",
            "city": "AMARILLO",
            "state": "TX",
            "postal_code": "791591389",
            "telephone_number": "806-435-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6842 PLUM CREEK DR",
            "city": "AMARILLO",
            "state": "TX",
            "postal_code": "791241601",
            "telephone_number": "806-353-7000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1212 Clinic Dr",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757012117",
            "country_code": "US",
            "telephone_number": "903-596-8858 x109",
            "fax_number": "903-535-9138",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BRELSFORD",
        "first_name": "WILLIAM",
        "middle_name": "GEORGE",
        "credential": "MD, FACP, FACR",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-23",
        "last_updated": "2024-12-20",
        "certification_date": "2024-12-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "TX",
            "license": "G1283",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8A7490",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "042884901",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Amarillo, TX

Sources for this page

Verify at the official NPI Registry.